CA1210482A - Fiber optic rotation sensor - Google Patents

Fiber optic rotation sensor

Info

Publication number
CA1210482A
CA1210482A CA000399776A CA399776A CA1210482A CA 1210482 A CA1210482 A CA 1210482A CA 000399776 A CA000399776 A CA 000399776A CA 399776 A CA399776 A CA 399776A CA 1210482 A CA1210482 A CA 1210482A
Authority
CA
Canada
Prior art keywords
loop
light
rotation sensor
fiber
fiber optic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000399776A
Other languages
English (en)
French (fr)
Inventor
Herbert J. Shaw
Herve C. Lefevre
Ralph A. Bergh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leland Stanford Junior University
Original Assignee
Leland Stanford Junior University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/249,714 external-priority patent/US4410275A/en
Priority claimed from US06/319,311 external-priority patent/US4671658A/en
Application filed by Leland Stanford Junior University filed Critical Leland Stanford Junior University
Application granted granted Critical
Publication of CA1210482A publication Critical patent/CA1210482A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/58—Turn-sensitive devices without moving masses
    • G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/58—Turn-sensitive devices without moving masses
    • G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
    • G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Optics & Photonics (AREA)
  • Gyroscopes (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measuring Fluid Pressure (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
CA000399776A 1981-03-31 1982-03-30 Fiber optic rotation sensor Expired CA1210482A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US249,714 1981-03-31
US06/249,714 US4410275A (en) 1981-03-31 1981-03-31 Fiber optic rotation sensor
US30709581A 1981-09-30 1981-09-30
US307,095 1981-09-30
US319,311 1981-11-09
US06/319,311 US4671658A (en) 1981-09-30 1981-11-09 Fiber optic rotation sensor utilizing a magnetic shield and an optical isolator

Publications (1)

Publication Number Publication Date
CA1210482A true CA1210482A (en) 1986-08-26

Family

ID=27400236

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000399776A Expired CA1210482A (en) 1981-03-31 1982-03-30 Fiber optic rotation sensor

Country Status (11)

Country Link
EP (1) EP0075013B1 (ko)
JP (2) JPH0774738B2 (ko)
KR (1) KR900008876B1 (ko)
AU (1) AU549389B2 (ko)
BR (1) BR8207250A (ko)
CA (1) CA1210482A (ko)
DE (1) DE3279815D1 (ko)
IL (1) IL65344A (ko)
IT (1) IT1148903B (ko)
NO (1) NO823999L (ko)
WO (1) WO1982003456A1 (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0123499B1 (en) * 1983-04-25 1991-01-30 The Board Of Trustees Of The Leland Stanford Junior University Improved fiber optic rotation sensor with extended dynamic range
GB2143634A (en) * 1983-07-13 1985-02-13 Standard Telephones Cables Ltd Optical sensors
JPH0718707B2 (ja) * 1983-10-04 1995-03-06 住友電気工業株式会社 光フアイバジヤイロ
US4674830A (en) † 1983-11-25 1987-06-23 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
DE3582440D1 (de) * 1984-02-17 1991-05-16 Univ Leland Stanford Junior Faseroptischer rotationssensor mit torschaltung und mit erweitertem dynamischem messbereich.
US4793708A (en) * 1987-03-27 1988-12-27 Litton Systems Canada Limited Fiber optic sensing coil
US4915503A (en) * 1987-09-01 1990-04-10 Litton Systems, Inc. Fiber optic gyroscope with improved bias stability and repeatability and method
US5037205A (en) * 1989-04-19 1991-08-06 Litton Systems, Inc. Integrated optic interferometric fiber gyroscope module and method
JP2751599B2 (ja) * 1990-08-27 1998-05-18 住友電気工業株式会社 光フアイバジヤイロ
US5778016A (en) 1994-04-01 1998-07-07 Imra America, Inc. Scanning temporal ultrafast delay methods and apparatuses therefor
CN105157692A (zh) * 2015-08-14 2015-12-16 宋长峰 小型一体化光纤陀螺imu中屏蔽线使用方法
US10876866B2 (en) 2017-08-30 2020-12-29 Mojtaba Joodaki Angular displacement sensor and method using thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3862803A (en) * 1968-09-27 1975-01-28 United Aircraft Corp Differential laser gyro system
US4299490A (en) * 1978-12-07 1981-11-10 Mcdonnell Douglas Corporation Phase nulling optical gyro
US4372685A (en) 1979-01-15 1983-02-08 Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. Method and arrangement for the measurement of rotations
US4283144A (en) * 1979-04-16 1981-08-11 The United States Of America As Represented By The Secretary Of The Navy Method of fiber interferometry zero fringe shift referencing using passive optical couplers

Also Published As

Publication number Publication date
IL65344A (en) 1987-08-31
BR8207250A (pt) 1982-12-14
IT8248132A0 (it) 1982-03-31
DE3279815D1 (en) 1989-08-17
KR900008876B1 (ko) 1990-12-11
IT1148903B (it) 1986-12-03
EP0075013A1 (en) 1983-03-30
IL65344A0 (en) 1982-05-31
JPS58500458A (ja) 1983-03-24
EP0075013B1 (en) 1989-07-12
JPH10239069A (ja) 1998-09-11
AU549389B2 (en) 1986-01-23
JPH0774738B2 (ja) 1995-08-09
AU8398382A (en) 1982-10-19
JP3156126B2 (ja) 2001-04-16
KR830009477A (ko) 1983-12-21
EP0075013A4 (en) 1985-12-11
NO823999L (no) 1982-11-29
WO1982003456A1 (en) 1982-10-14

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Legal Events

Date Code Title Description
MKEX Expiry